diff --git a/package-lock.json b/package-lock.json
index 1ebcdb3..89d898f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3576,6 +3576,7 @@
       "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=8"
       }
@@ -4317,6 +4318,7 @@
       "integrity": "sha512-0je+qPKHEMohvfRTCEo3CrPG6cAzAYgmzKyxRiYSSDkS6eGJdyVJm7WaYA5ECaAD9wLB2T4EEeymA5aFVcYXCA==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=6"
       }
diff --git a/src/components/AnchorsPanel.tsx b/src/components/AnchorsPanel.tsx
index d0120a1..feeb073 100644
--- a/src/components/AnchorsPanel.tsx
+++ b/src/components/AnchorsPanel.tsx
@@ -13,7 +13,6 @@ import { useAsync } from "@/hooks/useAsync";
 import { useToast } from "@/hooks/useToast";
 import { useFocusShortcut } from "@/hooks/useFocusShortcut";
 import { useQueryState } from "@/hooks/useQueryState";
-import { useDebouncedValue } from "@/hooks/useDebouncedValue";
 import { Card } from "./Card";
 import { TableSkeleton } from "./TableSkeleton";
 import { AnchorForm } from "./AnchorForm";
@@ -80,30 +79,6 @@ export function AnchorsPanel() {
   const searchRef = useRef<HTMLInputElement>(null);
   useFocusShortcut("/", searchRef);
 
-  // One ref per filter button for imperative focus management (roving tabindex).
-  const filterRefs = useRef<Array<HTMLButtonElement | null>>(
-    Array(FILTERS.length).fill(null),
-  );
-
-  /** Arrow-key / Home / End roving focus across the filter button group. */
-  function onFilterKeyDown(
-    event: React.KeyboardEvent<HTMLButtonElement>,
-    index: number,
-  ) {
-    const last = FILTERS.length - 1;
-    let next: number | null = null;
-
-    if (event.key === "ArrowRight") next = index === last ? 0 : index + 1;
-    else if (event.key === "ArrowLeft") next = index === 0 ? last : index - 1;
-    else if (event.key === "Home") next = 0;
-    else if (event.key === "End") next = last;
-
-    if (next !== null) {
-      event.preventDefault();
-      filterRefs.current[next]?.focus();
-    }
-  }
-
   // Sync status filter and search query to the URL querystring.
   // Initial values are hydrated from the URL on first render.
   const [rawStatus, setStatus] = useQueryState("status", "all");
@@ -247,7 +222,6 @@ export function AnchorsPanel() {
                       filterRefs.current[i] = el;
                     }}
                     onClick={() => setStatus(f.value)}
-                    onKeyDown={(e) => onFilterKeyDown(e, i)}
                     aria-pressed={filter === f.value}
                     tabIndex={filter === f.value ? 0 : -1}
                     className={`rounded-full px-3 py-1 text-xs font-medium transition-colors ${
diff --git a/src/components/SettlementsPanel.test.tsx b/src/components/SettlementsPanel.test.tsx
index 66e90b2..b690cb7 100644
--- a/src/components/SettlementsPanel.test.tsx
+++ b/src/components/SettlementsPanel.test.tsx
@@ -31,6 +31,19 @@ vi.mock("next/navigation", () => ({
   usePathname: () => "/settlements",
 }));
 
+// ---------------------------------------------------------------------------
+// Mock next/navigation so the panel can run in jsdom.
+// ---------------------------------------------------------------------------
+
+const mockReplace = vi.fn();
+let mockSearchParamsString = "";
+
+vi.mock("next/navigation", () => ({
+  useRouter: () => ({ replace: mockReplace }),
+  useSearchParams: () => new URLSearchParams(mockSearchParamsString),
+  usePathname: () => "/settlements",
+}));
+
 vi.mock("@/lib/settlementsApi", () => ({
   fetchSettlements: vi.fn(),
   openSettlement: vi.fn(),
@@ -50,7 +63,6 @@ vi.mock("@/lib/api", async (importOriginal) => {
 beforeEach(() => {
   vi.clearAllMocks();
   mockSearchParamsString = "";
-  vi.mocked(fetchPools).mockResolvedValue([]);
 });
 
 function page(
diff --git a/src/lib/search.ts b/src/lib/search.ts
index 2a5591e..6daa874 100644
--- a/src/lib/search.ts
+++ b/src/lib/search.ts
@@ -12,10 +12,7 @@ export function matchesQuery(
   fields: Array<string | number>,
   query: string,
 ): boolean {
-  const trimmed = query.trim().replace(/\s+/g, " ").toLowerCase();
-  if (trimmed === "") return true;
-  const terms = trimmed.split(" ");
-  return terms.every((term) =>
-    fields.some((field) => String(field).toLowerCase().includes(term))
-  );
+  const needle = query.trim().replace(/\s+/g, " ").toLowerCase();
+  if (needle === "") return true;
+  return fields.some((field) => String(field).toLowerCase().includes(needle));
 }
diff --git a/src/lib/settlementsApi.ts b/src/lib/settlementsApi.ts
index c737562..5c437ee 100644
--- a/src/lib/settlementsApi.ts
+++ b/src/lib/settlementsApi.ts
@@ -32,12 +32,7 @@ export async function exportSettlementsCsv(
   options: FetchSettlementsOptions = {},
 ): Promise<string> {
   const { anchor, page, pageSize, signal } = options;
-  const params = new URLSearchParams();
-  if (anchor) params.set("anchor", anchor);
-  if (page) params.set("page", String(page));
-  if (pageSize) params.set("pageSize", String(pageSize));
-  params.set("format", "csv");
-  const query = params.toString() ? `?${params.toString()}` : "";
+  const query = buildQueryParams({ anchor, page, pageSize, format: "csv" });
   return apiTextRequest(`/api/v1/settlements${query}`, { signal });
 }